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58 lines
1.9 KiB
58 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2003-2018, Intel Corporation. All rights reserved. |
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* Intel Management Engine Interface (Intel MEI) Linux driver |
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*/ |
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#ifndef _MEI_HBM_H_ |
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#define _MEI_HBM_H_ |
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struct mei_device; |
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struct mei_msg_hdr; |
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struct mei_cl; |
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struct mei_dma_data; |
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/** |
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* enum mei_hbm_state - host bus message protocol state |
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* |
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* @MEI_HBM_IDLE : protocol not started |
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* @MEI_HBM_STARTING : start request message was sent |
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* @MEI_HBM_CAP_SETUP : capabilities request message was sent |
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* @MEI_HBM_DR_SETUP : dma ring setup request message was sent |
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* @MEI_HBM_ENUM_CLIENTS : enumeration request was sent |
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* @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties |
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* @MEI_HBM_STARTED : enumeration was completed |
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* @MEI_HBM_STOPPED : stopping exchange |
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*/ |
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enum mei_hbm_state { |
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MEI_HBM_IDLE = 0, |
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MEI_HBM_STARTING, |
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MEI_HBM_CAP_SETUP, |
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MEI_HBM_DR_SETUP, |
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MEI_HBM_ENUM_CLIENTS, |
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MEI_HBM_CLIENT_PROPERTIES, |
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MEI_HBM_STARTED, |
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MEI_HBM_STOPPED, |
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}; |
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const char *mei_hbm_state_str(enum mei_hbm_state state); |
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int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); |
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void mei_hbm_idle(struct mei_device *dev); |
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void mei_hbm_reset(struct mei_device *dev); |
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int mei_hbm_start_req(struct mei_device *dev); |
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int mei_hbm_start_wait(struct mei_device *dev); |
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int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl); |
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int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl); |
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int mei_hbm_cl_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl); |
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int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl); |
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bool mei_hbm_version_is_supported(struct mei_device *dev); |
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int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd); |
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void mei_hbm_pg_resume(struct mei_device *dev); |
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int mei_hbm_cl_notify_req(struct mei_device *dev, |
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struct mei_cl *cl, u8 request); |
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int mei_hbm_cl_dma_map_req(struct mei_device *dev, struct mei_cl *cl); |
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int mei_hbm_cl_dma_unmap_req(struct mei_device *dev, struct mei_cl *cl); |
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#endif /* _MEI_HBM_H_ */ |
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